/Engine/Plugins/Experimental/PCG/Source/PCG/Public/Elements/Metadata/PCGMetadataOpElementBase.h
Generic method to factorise all the boilerplate code for a variable number of inputs/outputs
template<typename... InputTypes, typename... Callbacks> bool DoNAryOp ( [FOperationData](API\Plugins\PCG\Elements\Metadata\FPCGMetadataElementBase\FOperationData) & InOperationData, [TTuple](API\Runtime\Core\Misc\TTuple)< Callbacks... > && InCallbacks ) const